When the RIAA said in December it would stop pursuing individual illegal file sharers, it wasn't clear exactly why. Now, CNET News' Greg Sandoval says the industry group is just switching tactics. Several sources close to Comcast and AT&T say that they, along with several other Internet service providers, will agree to monitor their networks for illegal file sharing by its customers.

Also on today's podcast: The fourth quarter is a good news/bad news story for SAP; AT&T profits sink; Acer gets into the smartphone biz; and clickfraud skyrockets.

What Amazon's one-day shipping means for you: Last week, Amazon announced it will decrease the standard shipping time for Prime members from two days to one. In this Tech Minute, here's how this change will impact your deliveries.